Home / 3,318.17-4,976.24-1,126.41

Finding the Fourth Proportional to 3,318.17, 4,976.24 and 1,126.41

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Solution

The fourth proportional to 3,318.17, 4,976.24 and 1,126.41 is: 1,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.17 : 4,976.24 = 1,126.41 : x
  2. Step 2: Convert to fraction form
    3,318.17/4,976.24 = 1,126.41/x
  3. Step 3: Cross multiply
    3,318.17x = 4,976.24 × 1,126.41
  4. Step 4: Simplify right side
    3,318.17x = 5,605,262.21
  5. Step 5: Solve for x
    x = 5,605,262.21/3,318.17
  6. Step 6: Final answer
    x = 1,689.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.